Are protected bike lanes going in the right places?

My contribution to a discussion on The Chainlink, Are protected bike lanes going in the right places? Kelvin, Milwaukee/Ogden/Chicago is the intersection along Milwaukee Avenue with the highest number of bicycle crashes. I created this table and map to show … Continue reading

Free online GIS tools: An introduction to GeoCommons

Read my tutorial on how I created the pedestrian map with GeoCommons. Read on for an introduction to GeoCommons and online GIS tools. GeoCommons, like Google My Maps and Earth, is part of the “poor man’s GIS package.” It’s another … Continue reading